Patents by Inventor Michael Kang-Jen Lee
Michael Kang-Jen Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8481773Abstract: This application relates to cyclic siloxane compounds comprising the structural formula where a?2 and b?2, R is an alkyl group containing 1 to 4 carbon atoms, R1 is independently hydrogen or methyl, compositions comprising any of the above cyclic siloxanes and an additional silicone, emulsion compositions comprising any of the above cyclic siloxanes or the above composition, and a process for preparing the above cyclic siloxane compounds comprising reacting a chloro end-blocked polydimethylsiloxane with a diol functional compound containing at least 3 carbon atoms.Type: GrantFiled: November 24, 2010Date of Patent: July 9, 2013Assignee: DOW Corning CorporationInventors: Mark David Fisher, Michael Kang-Jen Lee, Bi-Shun Zeng
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Publication number: 20120276026Abstract: This application relates to cyclic siloxane compounds comprising the structural formula where a?2 and b?2, R is an alkyl group containing 1 to 4 carbon atoms, R1 is independently hydrogen or methyl, compositions comprising any of the above cyclic siloxanes and an additional silicone, emulsion compositions comprising any of the above cyclic siloxanes or the above composition, and a process for preparing the above cyclic siloxane compounds comprising reacting a chloro end-blocked polydimethylsiloxane with a diol functional compound containing at least 3 carbon atoms.Type: ApplicationFiled: November 24, 2010Publication date: November 1, 2012Inventors: Mark David Fisher, Michael Kang-Jen Lee, Bi-Shun Zeng
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Patent number: 7875694Abstract: Sulfonate functional siloxane compositions, methods of their preparation, emulsion compositions containing them are disclosed. The compositions are useful in a variety of personal, household, healthcare formulations, as well as fabric and textile treatments.Type: GrantFiled: November 18, 2005Date of Patent: January 25, 2011Assignee: Dow Corning CorporationInventors: John Joseph Kennan, Michael Kang-Jen Lee
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Patent number: 6713569Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) 5 to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone base to said polyamide resin is from 35:65 to 85:15, (C) 0.Type: GrantFiled: October 26, 2001Date of Patent: March 30, 2004Assignee: Dow Corning CorporationInventors: Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Richard Leroy Rabe, Jeffrey Paul Sage, Dean Curtis Gray, Yongjun Lee, Koji Nakanishi
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Patent number: 6649704Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C.Type: GrantFiled: October 26, 2001Date of Patent: November 18, 2003Assignee: Dow Corning CorporationInventors: Christopher Michael Brewer, Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Lenin James Petroff, Richard Leroy Rabe, David Joseph Romenesko, Yongjun Lee, Koji Nakanishi
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Patent number: 6569958Abstract: A method of preparing a thermoplastic elastomer, and compositions thereof, are disclosed comprising: (I) mixing (A) a thermoplastic resin comprising more than 50 percent by volume of a polyester resin having a softening point of 23° C. to 300° C., (B) a silicone elastomer comprising a diorganopolysiloxane, where the weight ratio of said silicone elastomer to said thermoplastic resin is from 35:65 to 85:15, (C) a glycidyl ester compatibilizer, (D) an organohydrido silicon compound, and (E) a hydrosilation catalyst, components (D) and (E) being present in an amount sufficient to cure said diorganopolysiloxane; and (II) dynamically vulcanizing said diorganopolysiloxane, wherein at least one property of the thermoplastic elastomer selected from tensile strength or elongation is at least 25% greater than the respective property for a corresponding simple blend wherein said diorganopolysiloxane is not cured and said thermoplastic elastomer has an elongation of at least 30%.Type: GrantFiled: October 19, 2001Date of Patent: May 27, 2003Assignee: Dow Corning CorporationInventors: Craig Steven Gross, Michael Kang-Jen Lee, Jun Liao
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Patent number: 6569955Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising: (I) mixing (A) a Theologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl groups in its molecule and optionally (B″) 5 to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone base to said polyamide resin is from 35:65 to 85:15, (C) a compatibilizer selected from glycidyl ester polymers or organofunctional grafted polyolefins, (D) an organohydrido silicon compound which contains an average of at least 2 silicon-bonded hydrogen groups in its molecule and (E) a hydrosilation catalyst, components (D) and (E) being present in an amount sufficient to cure said diorganopolysiloxane (B′); and (II) dynamically curing said diorganopolysiloxane (B′).Type: GrantFiled: October 19, 2001Date of Patent: May 27, 2003Assignee: Dow Corning CorporationInventors: Christopher Michael Brewer, Igor Chorvath, Frances Marie Fournier, Craig Steven Gross, Michael Kang-Jen Lee, Dawei Li, Richard Leroy Rabe
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Patent number: 6465552Abstract: Thermoplastic elastomers are disclosed which are prepared by; (I) mixing, (A) a thermoplastic resin comprising more than 50 percent by volume of a polyamide or a polyester resin, (B) a silicone base comprising; (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl groups per molecule and (B″) 5 to 200 parts by weight of a reinforcing filler, wherein the weight ratio of said silicone base to said polyamide or polyester resin is from 35:65 to 85:15, (C) a compatibilizer, (D) a radical initiator, present in an amount sufficient to cure said diorganopolysiloxane gum, and optionally (E) a stabilizer, (II) dynamically vulcanizing said diorganopolysiloxanes gum, wherein at least one property of the thermoplastic elastomer selected from tensile strength or elongation is at least 25% greater than the respective property for a corresponding simple blend wherein said diorganopolysiloxane is not cured and said thermoplaType: GrantFiled: May 1, 2001Date of Patent: October 15, 2002Assignee: Dow Corning CorporationInventors: Igor Chorvath, Frances Marie Fournier, Christopher James Julien, Michael Kang-Jen Lee, Dawei Li, Jun Liao, Robert Leo Oldinski, Richard Leroy Rabe, David Joseph Romenesko, Thomas John Tangney, Yongjun Lee, Koji Nakanishi
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Publication number: 20020103308Abstract: The present invention, therefore, relates to a method for preparing a thermoplastic elastomer, said method comprising:Type: ApplicationFiled: December 4, 2000Publication date: August 1, 2002Inventors: Igor Chorvath, Craig Steven Gross, Kenneth Gerard Gruszynski, Michael Kang-Jen Lee, Jun Liao, Koji Nakanishi, Richard Leroy Rabe, David Joseph Romenesko
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Publication number: 20020091205Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprisingType: ApplicationFiled: October 26, 2001Publication date: July 11, 2002Inventors: Christopher Michael Brewer, Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Lenin James Petroff, Richard Leroy Rabe, David Joseph Romenesko, Yongjun Lee, Koji Nakanishi
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Patent number: 6417293Abstract: The present invention, therefore, relates to a method for preparing a thermoplastic elastomer, said method comprising: (I) mixing (A) a thermoplastic resin comprising more than 50 percent by volume of a polyester resin other than poly(butylene terephthalate), said thermoplastic resin having a softening point of 23° C. to 300° C., (B) a silicone elastomer comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl groups in its molecule and, optionally, (B″) up to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone elastomer (B) to said thermoplastic resin (A) being greater than 35:65 to 85:15, (C) 0.Type: GrantFiled: December 4, 2000Date of Patent: July 9, 2002Assignee: Dow Corning CorporationInventors: Igor Chorvath, Craig Steven Gross, Kenneth Gerard Gruszynski, Michael Kang-Jen Lee, Jun Liao, Koji Nakanishi, Richard Leroy Rabe, David Joseph Romenesko
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Publication number: 20020086937Abstract: A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixingType: ApplicationFiled: October 26, 2001Publication date: July 4, 2002Inventors: Igor Chorvath, Frances Marie Fournier, Michael Kang-Jen Lee, Dawei Li, Robert Leo Oldinski, Richard Leroy Rabe, Jeffrey Paul Sage, Dean Curtis Gray, Yongjun Lee, Koji Nakanishi
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Publication number: 20010011140Abstract: The present invention relates to a method for preparing functional halosilanes by reactingType: ApplicationFiled: February 5, 2001Publication date: August 2, 2001Inventors: Michael Kang-Jen Lee, Aroop Kumar Roy
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Patent number: 6235920Abstract: The present invention relates to a method for preparing a functional halosilanes by reacting A) a cyclic silyl ether having the formula wherein each R is independently selected from a hydrocarbyl group or a halogen-substituted hydrocarbyl group having 1 to 20 carbon atoms, each R′ is independently selected from a group consisting of hydrogen and R and b is 3, 4 or 5; and (B) a halogen-functional compound having a formula selected from wherein Q is a monovalent group having 2 to 20 carbon atoms selected from alkenyl groups, aralkenyl groups or a heterocyclic hydrocarbyl group having oxygen, nitrogen or sulfur hetero atoms in its ring, G is an m-valent organic group, m is at least 2, X is halogen, R″ is independently selected from hydrocarbyl groups or halogen-substituted hydrocarbyl groups having 1 to 20 carbon atoms, j is an integer having a value of 1 to 3 and k is an integer having a value of 1 to 3.Type: GrantFiled: July 19, 1999Date of Patent: May 22, 2001Assignee: Dow Corning CorporationInventors: Michael Kang-Jen Lee, Aroop Kumar Roy
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Patent number: 6136896Abstract: This invention relates to graft copolymers containing polydiorganosiloxane and polybutylene grafts. More particularly this invention relates to a graft copolymer having a backbone and two or more polymeric side chains, the copolymer formed from the copolymerization of at least one acryloxyalkyl-functional polydiorganosiloxane macromonomer, at least one acryl-terminated, carboxyl-functional polybutylene macromonomer, and at least one ethylenically unsaturated monomer which is copolymerizable with the polydiorganosiloxane and polybutylene macromonomers. This invention also relates to a method of making graft copolymers containing polydiorganosiloxane and polybutylene grafts.Type: GrantFiled: December 21, 1998Date of Patent: October 24, 2000Assignee: Dow Corning CorporationInventors: Michael Kang-Jen Lee, Kenneth M. Lee, Deborah Lynn Meyers